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Irbe Krumina 3f39211f98
cmd/k8s-operator: check that cluster traffic is routed to egress ProxyGroup Pod before marking it as ready (#14792) 
This change builds on top of #14436 to ensure minimum downtime during egress ProxyGroup update rollouts:

- adds a readiness gate for ProxyGroup replicas that prevents kubelet from marking
the replica Pod as ready before a corresponding readiness condition has been added
to the Pod

- adds a reconciler that reconciles egress ProxyGroup Pods and, for each that is not ready,
if cluster traffic for relevant egress endpoints is routed via this Pod- if so add the
readiness condition to allow kubelet to mark the Pod as ready.

During the sequenced StatefulSet update rollouts kubelet does not restart
a Pod before the previous replica has been updated and marked as ready, so
ensuring that a replica is not marked as ready allows to avoid a temporary
post-update situation where all replicas have been restarted, but none of the
new ones are yet set up as an endpoint for the egress service, so cluster traffic is dropped.

Updates tailscale/tailscale#14326

Signed-off-by: Irbe Krumina <irbe@tailscale.com>
2025-01-30 08:47:45 +00:00
.bencher
.github .github: Bump actions/checkout from 3.6.0 to 4.2.2 (#14139) 2025-01-28 15:03:13 -07:00
appc appc,ipn/ipnlocal: log DNS parsing errors in app connectors (#14607) 2025-01-23 09:03:56 -08:00
atomicfile atomicfile: use ReplaceFile on Windows so that attributes and ACLs are preserved 2025-01-15 13:57:37 -05:00
chirp all: update copyright and license headers 2023-01-27 15:36:29 -08:00
client go.mod: bump gorilla/csrf for security fix (#14822) 2025-01-29 12:44:01 -08:00
clientupdate clientupdate: don't link distsign on platforms that don't download 2024-10-10 06:32:50 -07:00
cmd cmd/k8s-operator: check that cluster traffic is routed to egress ProxyGroup Pod before marking it as ready (#14792) 2025-01-30 08:47:45 +00:00
control control/controlclient,tempfork/httprec: don't link httptest, test certs for c2n 2025-01-26 21:30:28 +00:00
derp cmd/derper,derp: make TCP write timeout configurable 2025-01-24 07:50:52 -06:00
disco disco: correct noun for nacl box type in disco docs 2023-12-14 16:41:53 -08:00
docs docs/k8s: add some high-level operator architecture diagrams (#13915) 2024-12-17 15:36:57 +00:00
doctor net/{interfaces,netmon}, all: merge net/interfaces package into net/netmon 2024-04-28 07:34:52 -07:00
drive cmd/viewer,all: consistently use "read-only" instead of "readonly" 2025-01-14 08:26:56 -08:00
envknob envknob/featureknob: allow use of exit node on unraid (#14754) 2025-01-26 15:35:58 +00:00
feature feature/capture: move packet capture to feature/*, out of iOS + CLI 2025-01-24 17:52:43 -08:00
gokrazy gokrazy, various: use point versions of Go and update Nix deps 2024-09-16 16:06:43 -04:00
health health: relax no-derp-home warnable to not fire if not in map poll 2025-01-27 20:39:37 +00:00
hostinfo feature/*: make Wake-on-LAN conditional, start supporting modular features 2025-01-22 17:16:15 -08:00
internal all: add test for package comments, fix, add comments as needed 2024-07-10 09:57:00 -07:00
ipn Revert "ssh,tempfork/gliderlabs/ssh: replace github.com/tailscale/golang-x-crypto/ssh with golang.org/x/crypto/ssh" 2025-01-29 10:47:45 -06:00
jsondb all: update copyright and license headers 2023-01-27 15:36:29 -08:00
k8s-operator cmd/{k8s-operator,containerboot},kube: ensure egress ProxyGroup proxies don't terminate while cluster traffic is still routed to them (#14436) 2025-01-29 07:35:50 +00:00
kube cmd/{k8s-operator,containerboot},kube: ensure egress ProxyGroup proxies don't terminate while cluster traffic is still routed to them (#14436) 2025-01-29 07:35:50 +00:00
licenses licenses: update license notices 2024-11-19 09:25:57 -08:00
log log/sockstatlog: don't block for more than 5s on shutdown 2024-07-12 17:50:11 +01:00
logpolicy Switch logging service from log.tailscale.io to log.tailscale.com (#14398) 2024-12-16 14:53:34 -08:00
logtail Switch logging service from log.tailscale.io to log.tailscale.com (#14398) 2024-12-16 14:53:34 -08:00
metrics metrics,syncs: add ShardedInt support to metrics.LabelMap 2024-12-23 13:10:18 -08:00
net feature/capture: move packet capture to feature/*, out of iOS + CLI 2025-01-24 17:52:43 -08:00
omit cmd/tailscaled, ipn/conffile: support ec2 user-data config file 2024-05-30 09:49:18 -07:00
packages/deb go.mod: upgrade nfpm to v2 (#8786) 2023-08-03 13:00:45 -07:00
paths all: illumos/solaris userspace only support 2025-01-09 14:46:23 -08:00
portlist all: use Go 1.22 range-over-int 2024-04-16 15:32:38 -07:00
posture control/controlclient,posture,util/syspolicy: use predefined syspolicy keys instead of string literals 2024-09-04 15:25:19 -05:00
prober prober: fix nil pointer access in tcp-in-tcp probes 2025-01-21 12:44:56 -06:00
proxymap ipnlocal,proxymap,wgengine/netstack: add optional WhoIs/proxymap debug 2024-09-10 14:23:33 -07:00
release release/dist: clamp min / max version for synology package centre (#13857) 2024-10-18 14:20:40 -06:00
safesocket safesocket: don't depend on go-ps on iOS 2024-10-09 18:35:53 -07:00
safeweb go.mod: bump gorilla/csrf for security fix (#14822) 2025-01-29 12:44:01 -08:00
scripts scripts/install.sh: add special case for Parrot Security (#14487) 2024-12-30 17:22:48 +00:00
sessionrecording sessionrecording: implement v2 recording endpoint support (#14105) 2024-11-18 09:55:54 -08:00
smallzstd all: use Go 1.22 range-over-int 2024-04-16 15:32:38 -07:00
ssh/tailssh Revert "ssh,tempfork/gliderlabs/ssh: replace github.com/tailscale/golang-x-crypto/ssh with golang.org/x/crypto/ssh" 2025-01-29 10:47:45 -06:00
syncs syncs: add ShardedInt expvar.Var type 2024-12-19 14:58:28 -08:00
tailcfg control/controlclient: skip SetControlClientStatus when queue has newer results later 2025-01-24 16:16:22 -08:00
taildrop taildrop: fix defer in loop (#13757) 2024-10-09 14:09:58 -07:00
tempfork Revert "ssh,tempfork/gliderlabs/ssh: replace github.com/tailscale/golang-x-crypto/ssh with golang.org/x/crypto/ssh" 2025-01-29 10:47:45 -06:00
tka tka: truncate long rotation signature chains 2024-09-04 22:17:21 +01:00
tool tool/gocross: remove trimpath from test builds 2024-10-28 16:10:55 -07:00
tsconst cmd/tailscale/cli: support passing network lock keys via files 2024-08-14 09:18:34 -07:00
tsd util/usermetrics: make usermetrics non-global 2024-09-25 15:57:00 +02:00
tsnet tsnet: return from Accept when the listener gets closed 2025-01-28 14:02:36 +00:00
tstest tstest/deptest: verify that tailscale.com BadDeps actually exist 2025-01-26 18:50:25 +00:00
tstime all: use math/rand/v2 more 2024-06-05 15:24:04 -07:00
tsweb tsweb: add missing debug pprof endpoints 2025-01-22 06:34:59 -08:00
types types/views: fix SliceEqualAnyOrderFunc short optimization 2025-01-28 23:17:43 -05:00
util tailcfg: adjust ServiceName.Validate to use vizerror 2025-01-24 10:57:46 -05:00
version util/uniq,types/lazy,*: delete code that's now in Go std 2025-01-12 19:49:02 -08:00
wf wf/firewall: allow link-local multicast for permitted local routes when the killswitch is on on Windows 2024-10-02 18:36:01 -05:00
wgengine feature/capture: move packet capture to feature/*, out of iOS + CLI 2025-01-24 17:52:43 -08:00
words words: Add scoville to scales.txt (#14084) 2024-11-13 09:25:12 -08:00
.gitattributes
.gitignore tstest/tailmac: add customized macOS virtualization tooling (#13146) 2024-08-19 15:01:19 -04:00
.golangci.yml ci: run 'go vet' in golangci-lint; fix errors in tests 2023-12-07 15:08:28 -05:00
ALPINE.txt Revert "Dockerfile: bump base alpine image (#14604)" (#14620) 2025-01-13 10:02:26 -08:00
api.md {api.md,publicapi}: remove old API docs (#13468) 2024-09-13 14:10:33 -06:00
assert_ts_toolchain_match.go tailscaleroot: panic if tailscale_go build tag but Go toolchain mismatch 2024-10-06 15:22:04 -07:00
AUTHORS
build_dist.sh feature/capture: move packet capture to feature/*, out of iOS + CLI 2025-01-24 17:52:43 -08:00
build_docker.sh Makefile,./build_docker.sh: update kube operator image build target name (#14251) 2024-11-29 15:32:18 +00:00
CODE_OF_CONDUCT.md
CODEOWNERS CODEOWNERS: add the start of an owners file 2023-08-16 15:57:29 -07:00
Dockerfile Revert "Dockerfile: bump base alpine image (#14604)" (#14620) 2025-01-13 10:02:26 -08:00
Dockerfile.base Revert "Dockerfile: bump base alpine image (#14604)" (#14620) 2025-01-13 10:02:26 -08:00
flake.lock nix: update nix and use go 1.23 2024-08-29 17:25:13 +02:00
flake.nix gokrazy, various: use point versions of Go and update Nix deps 2024-09-16 16:06:43 -04:00
go.mod go.mod: bump gorilla/csrf for security fix (#14822) 2025-01-29 12:44:01 -08:00
go.mod.sri go.mod.sri: update SRI hash for go.mod changes 2024-09-05 10:06:02 -07:00
go.sum go.mod: bump gorilla/csrf for security fix (#14822) 2025-01-29 12:44:01 -08:00
go.toolchain.branch all: switch to and require Go 1.23 2024-08-22 12:31:08 -07:00
go.toolchain.rev go.toolchain.rev: bump from Go 1.23.3 to 1.23.5 (#14814) 2025-01-28 14:35:24 -07:00
gomod_test.go go.mod: add test that replace directives aren't added in oss 2023-09-29 12:31:52 -07:00
header.txt cmd/k8s-operator: operator can create subnetrouter (#9505) 2023-12-14 13:51:59 +00:00
LICENSE all: update tools that manage copyright headers 2023-01-27 15:36:29 -08:00
Makefile go.mod: bump depaware, add --internal flag to stop hiding internal packages 2025-01-26 21:12:34 +00:00
PATENTS
pkgdoc_test.go all: add test for package comments, fix, add comments as needed 2024-07-10 09:57:00 -07:00
pull-toolchain.sh pull-toolchain.sh: don't run update-flake.sh 2023-02-09 15:04:01 -08:00
README.md Update README to reference correct Commit Style URL 2025-01-04 15:11:10 -08:00
SECURITY.md
shell.nix go.mod.sri: update SRI hash for go.mod changes 2024-09-05 10:06:02 -07:00
staticcheck.conf all: cleanup unused code, part 2 (#10670) 2023-12-21 17:40:03 -08:00
update-flake.sh Code Improvements (#11311) 2024-03-08 15:24:36 -08:00
version_tailscale_test.go tailscaleroot: panic if tailscale_go build tag but Go toolchain mismatch 2024-10-06 15:22:04 -07:00
version_test.go go.mod,wgengine/netstack: bump gvisor 2024-01-19 18:23:53 -08:00
version-embed.go Fix various linting, vet & static check issues 2025-01-04 15:11:10 -08:00
VERSION.txt VERSION.txt: this is v1.79.0 2024-12-06 11:25:12 -06:00

README.md

Tailscale

https://tailscale.com

Private WireGuard® networks made easy

Overview

This repository contains the majority of Tailscale's open source code. Notably, it includes the tailscaled daemon and the tailscale CLI tool. The tailscaled daemon runs on Linux, Windows, macOS, and to varying degrees on FreeBSD and OpenBSD. The Tailscale iOS and Android apps use this repo's code, but this repo doesn't contain the mobile GUI code.

Other Tailscale repos of note:

For background on which parts of Tailscale are open source and why, see https://tailscale.com/opensource/.

Using

We serve packages for a variety of distros and platforms at https://pkgs.tailscale.com.

Other clients

The macOS, iOS, and Windows clients use the code in this repository but additionally include small GUI wrappers. The GUI wrappers on non-open source platforms are themselves not open source.

Building

We always require the latest Go release, currently Go 1.23. (While we build releases with our Go fork, its use is not required.)

go install tailscale.com/cmd/tailscale{,d}

If you're packaging Tailscale for distribution, use build_dist.sh instead, to burn commit IDs and version info into the binaries:

./build_dist.sh tailscale.com/cmd/tailscale
./build_dist.sh tailscale.com/cmd/tailscaled

If your distro has conventions that preclude the use of build_dist.sh, please do the equivalent of what it does in your distro's way, so that bug reports contain useful version information.

Bugs

Please file any issues about this code or the hosted service on the issue tracker.

Contributing

PRs welcome! But please file bugs. Commit messages should reference bugs.

We require Developer Certificate of Origin Signed-off-by lines in commits.

See git log for our commit message style. It's basically the same as Go's style.

About Us

Tailscale is primarily developed by the people at https://github.com/orgs/tailscale/people. For other contributors, see:

Legal

WireGuard is a registered trademark of Jason A. Donenfeld.